Are All Presidents Related? (7 Interesting and Unsettling Facts The Media Hides)

Are all presidents related?

In this article, you’ll learn about:

which Presidents are related
how many many are related
the father-son Presidents
the immediate family tree for all Presidents

Let’s dig in.

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Key Points For “Are All Presidents Related?”

A total of 23 U.S. presidents were related to each other by blood or marriage.
About half of the U.S. presidents are related to another president.
There were three father-son presidents in the history of the United States.
The only president who was the grandson of another president was Benjamin Harrison.
There are eight pairs of US presidents who share the same last name.
John Quincy Adams was the son of the second US President, John Adams.
Franklin D. Roosevelt and Theodore Roosevelt were fifth cousins.
George H.W. Bush and George W. Bush are the only father-son pair to have served as US Presidents in non-consecutive terms.
Franklin D. Roosevelt and his wife Eleanor were fifth cousins.
The descendants of English King Edward I include George Washington, John Adams, Franklin Roosevelt, and Theodore Roosevelt.

Are All Presidents Related?

No, not all the US Presidents are related.

There are a few instances of related Presidents, such as

John Adams and his son John Quincy Adams
Theodore Roosevelt and Franklin D. Roosevelt

But, most Presidents have no familial relation to each other.

And many US Presidents come from similar backgrounds, such as:

wealthy or politically connected families
attending similar educational institutions

Which Presidents Are Related To Each Other?

Here is a list of the presidents that are related to each other.

#	President	Relationship to Other Presidents
2	John Adams	Father of John Quincy Adams
6	John Quincy Adams	Son of John Adams
9	William Henry Harrison	Grandfather of Benjamin Harrison
23	Benjamin Harrison	Grandson of William Henry Harrison
26	Theodore Roosevelt	Fifth cousin of Franklin D. Roosevelt
32	Franklin D. Roosevelt	Fifth cousin of Theodore Roosevelt
41	George H. W. Bush	Father of George W. Bush
43	George W. Bush	Son of George H. W. Bush

These are the only known family relationships among the US Presidents.

There may be other, more distant cousins.

How Many Presidents Are Related To Each Other?

A total of 23 U.S. presidents were related to each other by blood or marriage.

About half of the U.S. presidents are related to another president.

The most notable example are the descendants of English King Edward I.

This includes:

George Washington
John Adams
Franklin Roosevelt
Theodore Roosevelt

The other notable related presidents are:

George H.W. Bush and George W. Bush
John Adams and his son John Quincy Adams

#	President	Related Person	Relation
2	John Adams	John Quincy Adams	Father and son
2	John Adams	Calvin Coolidge	Second cousins, five times removed
2	John Adams	Millard Fillmore	Distant cousins
4	James Madison	Zachary Taylor	Second cousins
4	James Madison	William Henry Harrison	Second cousins
6	John Quincy Adams	William Henry Harrison	Third cousins
8	Martin Van Buren	Franklin D. Roosevelt	Distant cousins
9	William Henry Harrison	Benjamin Harrison	Grandfather and grandson
10	John Tyler	William Henry Harrison	Distant cousins
12	Zachary Taylor	Richard Nixon	Third cousins, six times removed
14	Franklin Pierce	Franklin D. Roosevelt	Distant cousins
14	Franklin Pierce	Rutherford B. Hayes	Distant cousins
18	Ulysses S. Grant	Franklin D. Roosevelt	Distant cousins
20	James Garfield	Lyndon B. Johnson	Distant cousins
23	Benjamin Harrison	John Scott Harrison	Father and son
26	Theodore Roosevelt	Franklin D. Roosevelt	Fifth cousins
26	Theodore Roosevelt	William Howard Taft	Distant cousins
27	William Howard Taft	Franklin D. Roosevelt	Distant cousins
27	William Howard Taft	Robert A. Taft	Father and son
32	Franklin D. Roosevelt	Eleanor Roosevelt	Husband and wife, fifth cousins
38	Gerald Ford	George H.W. Bush	Distant cousins
41	George H.W. Bush	George W. Bush	Father and son

Are There Any Father-Son Presidents?

Yes, there were 3 father-son presidents in the history of the United States.

The Adams family had:

John Adams – 2nd President
John Quincy Adams – 6th President

The Harrison family had:

William Henry Harrison – 9th President
John Tyler – 10th President

The Bush family had:

George H.W. Bush – 41st President
George W. Bush – 43rd President

Are There Any Presidents With The Same Last Name?

Yes, there are 8 presidents with the same last name.

The presidents with the same last name are:

George H. W. Bush & George W. Bush
John Adams & John Quincy Adams
William Henry Harrison & Benjamin Harrison
Theodore Roosevelt & Franklin D. Roosevelt

Which President Was The Grandson Of Another President?

There was one President that was the grandson of another President.

He was Benjamin Harrison, the grandson of William Henry Harrison.

US Presidents' Family Tree

Here is a list of the US Presidents’ family trees.

This table shows each President’s immediate family members, like:

spouse
mother
father

#	President	Spouse	Mother	Father
1	George Washington	Martha Dandridge Washington	Mary Ball Washington	Augustine Washington
2	John Adams	Abigail Smith Adams	Susanna Boylston	John Adams Sr.
3	Thomas Jefferson	Martha Wayles Skelton Jefferson	Jane Randolph	Peter Jefferson
4	James Madison	Dolley Payne Todd Madison	Nelly Conway Madison	James Madison Sr.
5	James Monroe	Elizabeth Kortright Monroe	Elizabeth Jones Monroe	Spence Monroe
6	John Quincy Adams	Louisa Catherine Johnson	Abigail Smith Adams	John Adams
7	Andrew Jackson	Rachel Donelson Jackson	Elizabeth Hutchinson	Andrew Jackson Sr.
8	Martin Van Buren	Hannah Hoes Van Buren	Maria Hoes Van Alen	Abraham Van Buren
9	William Henry Harrison	Anna Harrison	Elizabeth Bassett	Benjamin Harrison V
10	John Tyler	Letitia Christian Tyler	Mary Marot Armistead	John Tyler Sr.
11	James K. Polk	Sarah Childress Polk	Jane Knox Polk	Samuel Polk
12	Zachary Taylor	Margaret Mackall Smith Taylor	Sarah Strother Taylor	Richard Taylor
13	Millard Fillmore	Abigail Powers Fillmore	Phoebe Millard	Nathaniel Fillmore
14	Franklin Pierce	Jane Pierce	Anna Kendrick Pierce	Benjamin Pierce
15	James Buchanan	Never married	Elizabeth Speer Buchanan	James Buchanan Sr.
16	Abraham Lincoln	Mary Todd Lincoln	Nancy Hanks Lincoln	Thomas Lincoln
17	Andrew Johnson	Eliza McCardle Johnson	Mary McDonough	Jacob Johnson
18	Ulysses S. Grant	Julia Dent Grant	Hannah Simpson Grant	Jesse Root Grant
19	Rutherford B. Hayes	Lucy Webb Hayes	Sophia Birchard	Rutherford Hayes Sr.
20	James A. Garfield	Lucretia Rudolph Garfield	Eliza Ballou Garfield	Abram Garfield
21	Chester A. Arthur	Ellen Lewis Herndon Arthur	Malvina Stone Arthur	William Arthur Sr.
22	Grover Cleveland	Frances Folsom Cleveland	Anne Neal Cleveland	Richard Cleveland
23	Benjamin Harrison	Caroline Harrison	Elizabeth Irwin	John Scott Harrison
24	Grover Cleveland	Frances Folsom Cleveland	Anne Neal Cleveland	Richard Cleveland
25	William McKinley	Ida Saxton McKinley	Nancy Allison McKinley	William McKinley Sr.
26	Theodore Roosevelt	Edith Kermit Carow Roosevelt	Martha Bulloch Roosevelt	Theodore Roosevelt Sr
27	William Howard Taft	Helen Herron	Louise Torrey	Alphonso Taft
28	Woodrow Wilson	Ellen Axson	Janet Woodrow	Joseph Ruggles Wilson
29	Warren G. Harding	Florence Kling	Phoebe Dickerson	George Tryon Harding
30	Calvin Coolidge	Grace Goodhue	Victoria Moor	John Coolidge
31	Herbert Hoover	Lou Henry	Hulda Randall	Jesse Hoover
32	Franklin D. Roosevelt	Eleanor Roosevelt	Anna Hall	James Roosevelt
33	Harry S. Truman	Bess Wallace	Martha Young	John Truman
34	Dwight D. Eisenhower	Mamie Eisenhower	Ida Stover	David Eisenhower
35	John F. Kennedy	Jacqueline Kennedy	Rose Fitzgerald	Joseph P. Kennedy
36	Lyndon B. Johnson	Lady Bird Johnson	Rebekah Baines	Samuel Ealy Johnson Jr.
37	Richard Nixon	Pat Nixon	Hannah Milhous	Francis Nixon
38	Gerald Ford	Betty Ford	Dorothy Ayer	Leslie King
39	Jimmy Carter	Rosalynn Carter	Lillian Gordy	James Earl Carter Sr.
40	Ronald Reagan	Nancy Reagan	Nelle Wilson	John Reagan
41	George H. W. Bush	Barbara Bush	Dorothy Walker	Prescott Bush
42	Bill Clinton	Hillary Clinton	Virginia Kelley	William Blythe Jr.
43	George W. Bush	Laura Bush	Barbara Pierce	George H. W. Bush
44	Barack Obama	Michelle Obama	Stanley Ann Dunham	Barack Obama Sr.
45	Donald Trump	Melania Trump (current)	Mary Anne MacLeod	Frederick Christ Trump
46	Joe Biden	Jill Biden (current)	Catherine Biden	Joseph Biden Sr.

FAQs About All Presidents Being Related

These are the FAQs we found in our research for all Presidents being related.

Are Hilly And Bill Cousins?

No, Hillary and Bill Clinton are not cousins.

They do not share any known recent ancestors or familial connections.

Hillary Rodham Clinton was born in Chicago, Illinois, to parents:

Hugh Rodham
Dorothy Howell Rodham

Bill Clinton was born William Jefferson Blythe III in Hope, Arkansas, to parents:

Virginia Dell Cassidy
William Jefferson Blythe Jr.

Are Hillary And Trump Cousins?

Yes, Hillary and Trump are cousins.

Trump is the fourth cousin of Hillary Clinton.

Is Donald Trump Related To Any Presidents?

Yes, Donald Trump is related to multiple U.S. presidents.

Trump is a distant cousin of several former presidents, including:

George Washington
John Adams
Thomas Jefferson
James Madison
James Monroe
William Henry Harrison
Benjamin Harrison
Franklin D. Roosevelt

Sources for this information are:

Ancestry.com – “Donald Trump: Ancestry, Genealogy, and Family History”
CNN – “Donald Trump: America’s first president with a Jewish daughter?”
New England Historic Genealogical Society – “Donald Trump’s Irish Roots”
The New York Times – “Donald Trump’s Immigrant Mother”

Is Barack Obama Related To George Bush?

No, Barack Obama and George Bush are not related.

There is no known genealogical connection between their families.

Who Are The Descendents Of George Washington?

George Washington did not have any biological children.

But, George Washington did adopt Martha’s two children from her previous marriage:

John Parke Custis
Martha Parke Custis

John Parke Custis and his wife Eleanor Calvert had four children:

Elizabeth Parke Custis
Martha Parke Custis
Eleanor Parke Custis
George Washington Parke Custis

George Washington Parke Custis is particularly notable as:

the founder of Arlington National Cemetery
the builder of Arlington House

Martha Parke Custis and her husband Thomas Peter had four children:

Elizabeth Peter
Martha Parke Custis Peter
Eleanor Calvert Peter
Thomas Peter

Which Of The US Presidents Have Descendents Who Are Married To Each Other?

No US President has descendants who are married to each other.

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